NEW YORK--(BUSINESS WIRE)--Kroll Bond Rating Agency (KBRA) has affirmed the senior unsecured debt rating of BBB, subordinated debt rating of BBB-, and short-term rating of K3 for TriState Capital Holdings, Inc. (NASDAQ: TSC, “TriState”), a bankholding company headquartered in Pittsburgh, PA. In addition, KBRA has affirmed the deposit rating of BBB+, and short-term rating of K2 for its subsidiary, TriState Capital Bank (“the Bank”). The outlook on all ratings is stable. The ratings are supported